What are the sensors in a car engine?

1 Answers
StCarson
07/29/25 3:49pm
Automotive engine sensors include the mass air flow sensor, throttle position sensor, accelerator pedal position sensor, intake air temperature sensor, coolant temperature sensor, and camshaft position sensor, among others. These sensors are indispensable components of a vehicle. Based on their location, engine sensors are primarily categorized into crankshaft position sensors and camshaft position sensors. According to the technology applied, they are mainly classified into electromagnetic induction sensors, Hall effect sensors, and photoelectric effect sensors. Among these, the crankshaft position sensor is a crucial component in computer-controlled ignition systems. Its function is to detect top dead center signals, engine speed signals, and crankshaft angle signals, inputting these data into the computer to control the ignition sequence of cylinders and issue commands for optimal ignition timing.
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